2322021164581 has 2 divisors, whose sum is σ = 2322021164582. Its totient is φ = 2322021164580.

The previous prime is 2322021164513. The next prime is 2322021164747. The reversal of 2322021164581 is 1854611202232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1715141213956 + 606879950625 = 1309634^2 + 779025^2 .

It is a cyclic number.

It is not a de Polignac number, because 2322021164581 - 2³¹ = 2319873680933 is a prime.

It is a super-2 number, since 2×2322021164581² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2322021164581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2322021162581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161010582290 + 1161010582291.

It is an arithmetic number, because the mean of its divisors is an integer number (1161010582291).

Almost surely, 2^{2322021164581} is an apocalyptic number.

It is an amenable number.

2322021164581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2322021164581 is an equidigital number, since it uses as much as digits as its factorization.

2322021164581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 2322021164581 in words is "two trillion, three hundred twenty-two billion, twenty-one million, one hundred sixty-four thousand, five hundred eighty-one".